Lamp-holder.



l No. 743,270. PATBNTED Nov. s, 190s. J. T. GOLGHBR.-

LAMP HOLDER.l APPLIO'ATION FILED 001213, 1902.

N o MODEL.

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NITED STATES Patented November 3, 1903.

PATEN Grrrcn.

LAMP-HOLDER.

SPECIFICATION forming part of Letters Patent N0. 743,270, dated November 3, 1903.

Application iiledOctober 18, 1902. Serial No. 127,759. (No model.)

.To a/ZZ whom it may concern:

Be it known that I, JOHN T. GOLCHER, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Lamp-Holders, of which the following is a specification.

My invention relates to improvements in holders for lamps, and particularly incandescent electric lamps, and has for its object the construction of a lamp-holder which is adapted to be used where a light is required to be brought within close proximity with the work and which may be quickly adjusted to any desired position or turned out of the way or quickly removed.

My invention is particularly adapted to be used in a machine-shop, as it may readily be attached to a lathe, drill-press, orother machinery, as hereinafter described.

Referring to the drawings, Figure lisa perspective view ot my improved lamp-holder attached to the tool-carrier of a lathe. Fig. 2 is a side view of the lamp-holder, showing the leXible arm folded. Fig. 3 is a perspective view of the standard and base-plate detached. Fig. 4 is a perspective view of the standard, showing a different form of base. Fig. 5 is a perspective View of the end of the flexible arm, showing `a different way of attaching the lamp. y

In the drawings, A represents the standard, having a threaded portion c.

B is a base-plate (more clearly shown in Fig. 8) which is adapted to enter a groove which is usually formed in lathes, planers, and drill-presses and other machinery, for

' the purpose of bolting tools or work to the said machinery.

Fig. l, represents the standard and the baseplate B, attached to the tool-carrier C of a lathe C. The base-plate B has been inserted in the groove c of the tool-carrier and the standard rotated, so that by the action of the screw-thread the end of the standard A contacts with thebottom of the groove and forces the base-plate B up against the flanges c' of the tool-carrier and tightly holds the standard in an upright position.

Upon the standard A is a bracket D, having apertures d, through which passes the said standard. A spring E is secured in the said Abracket and contacts with the standard and causes sufficient friction to prevent the bracket from slipping on the standard; but the said spring will yield suciently to permit the bracket to be moved up or down or rotated when desired by a slight pressure of the hand. The bracket has an arm D,

Vrigidly secured thereto by means of the bolt D2, which also secures the spring E. To the arm D is pivoted, by means of a rivet, aplate F. A series of plates Fand F are provided to form the Ilexible arm. The plates F are slightly shorter than the plates F', so that when they will fold, as shown in Fig. 2, the rivets will clear each other and allow the plates to foldup very compactly. The plate at the end of the flexible arm is provided with means for holding the lamp consisting of a spring-clamp G, secured to the plate F and adapted to encircle the lamp and hold it in a horizontal position. The plate F is provided with a portion f, bent at right angles to the plate F, and on the said plate f is a spring-clamp H, adapted to encircle the lamp and hold it in a vertical position. Fig. l illustrates the lamp I held in the clamp H.

y By means of the exible arm the lamp can be moved to any position. The plates F and F' being dat, the arm will swin gin a horizontal plane, and the lamp may be raised or lowered by moving the bracket upon the standard A. The standard A terminates at one end with a sharp point, which allows the standard to be driven into a wooden bench or floor or to be used on the ground when so desired. As shown in Figi, aheavy square base may be provided, so that the standard A may be screwed into it when desired. Fig. 5 illustrates a simple method of attaching the lamp to the Iiexble arm. A slot j is formed in the end of the plate F', in which is inserted the cord holding the electric lamp. A knot placed in the cord will prevent it from slipping. It will be understood that these changes may be made in my lamp-holder Without departing from my invention.

Having thus described my invention, I claim and desire to secure by Letters Patent- The combination in a lamp-holder, of a standard having a screw-threaded end thereon, a bracket to slide vertically on said standto be adjustably secured in said slotted supard, a spring carried by said bracket, an arm port, substantially as described. ro on said bracket, a series of flat plates carried In testimony whereof I affix my signature by said arm, said plates being pivotallyconin presence of two witnesses.

5 nected together, and a base-plate having a JOHN T. GOLCHER.

screw-threaded aperture to receive the screwl Witnesses: threaded end of the standard, a slotted sup- JOHN F. BASFORD,

port, said base-plate being constructed so as l GEORGE GOLCHER. 

